The Headset-Microphone, cataloged under National Stock Number 5965-01-579-7611, is classified within Federal Supply Class 5965 (Headsets, Handsets, Microphones and Speakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is David Clark Co Inc Div David Clark Company, Inc.. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5965-01-579-7611 |
| Primary Part Number | 40428G-01 |
| Item Name | Headset-Microphone |
| FSC / FSG | 5965 / 59 — Headsets, Handsets, Microphones and Speakers |
| Manufacturer | David Clark Co Inc Div David Clark Company, Inc. |
| Status | ACTIVE |
| Microphone Mounting Facility | BOOM ATTACHED TO HEADBAND |
| Earphone Quantity | 1 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 40428G-01 PRIMARY | David Clark Co Inc Div David Clark Company, Inc. (USA) |
| H6090 | David Clark Co Inc Div David Clark Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| VE-40428G-01 | 5/9 Secondary reference David Clark Co Inc Div David Clark Company, Inc. |
NSN 5965-01-579-7611 is a Headset-Microphone, manufactured by David Clark Co Inc Div David Clark Company, Inc., classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
NSN 5965-01-579-7611 has 2 manufacturer part numbers on file: 40428G-01 (David Clark Co Inc Div David Clark Company, Inc.), H6090 (David Clark Co Inc Div David Clark Company, Inc.).
Key specifications for 40428G-01: Microphone Mounting Facility: BOOM ATTACHED TO HEADBAND; Earphone Quantity: 1; Special Features: HEAVY DUTY 2 WAY AVIATION COMMUNICATION HEADSET; ATTACHES TO PUSH-TO-TALK ADAPTER MODEL C6050B AND PORTABLE RADIO (SPECIFIC TO TYPE) BOOM MTD MICROPHONE; OVER THE HEAD STYLE, SINGLE MUFF, 36 IN CORD; INLINE VOLUME AND MUTE SWITCHES IN. 2 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.